Ridge%2C Hip%2C Common Rafter %EA%B0%80 %EB%AA%A8%EC%9D%B4%EB%8A%94 %EB%B6%80%EB%B6%84 %EC%82%AC%EC%9A%A9%EB%90%98%EB%8A%94 %EC%97%B0%EA%B2%B0%EC%B2%A0%EB%AC%BC%3F